9.58 Which sample contains more molecules, 15.0 L of steam (gaseous H2O) at 123.0 °C and 0.93 atm pressure or a 10.5 g ice cube at –5.0 °C? 9 59 Which samnle contains meloe1los 2 14 I norO

Q: Calculate K given Ecell= 2.21 volts E0cell= 1.47 volts T= 355 Kelvin n= 1 R= 8.314 J/mol K F=…

A: Given:    ... (1)Here, Ecell = the cell potentialE0cell = the standard cell potentialR = the…

Q: Determine the oxidation numbers of each of the elements in the following reaction, and identify…

A: 1) The given reaction as follow                 2MnCO3 (s)   +   O2 (g)    →  2 MnO2 (s) +  2CO2…

Q: Decide how the sketches below would be listed, if they were listed in order of decreasing potential…

A:

Q: i) When 105 J of energy is supplied as heat at constant pressure to 1.9 mol of gas molecules, the…

A: Given :  Energy given (q) = 105 J  Moles of gas (n) = 1.9 Mol  Increase in temperature = 1.81 K

Q: Which statement below correctly describes the changes (if any) to the potential and kinetic energy…

A: The physical and chemical properties of molecules of matter changes as the state of matter change.…

Q: How can we calculate the enthalpy change of the system for each region of the heating curve?

A: Thermodynamics is study of change in relationship between heat and work. Enthalpy change is heat…

Q: Briefly describe the contribution of Walter Nernst, T. W . Richards, Max Planck and G.N. Lewis in…

A: The third law was given by Walter Nernst. It states that the entropy of a system at absolute zero is…

Q: Determine the energy to heat a cube of silver with a volume of 20.0 cm3cm3 from 19 ∘C∘C to 39 ∘C∘C.

A: in the given question, the volume of silver cube and change in temperature is given and it has been…

Q: I don't understand why the second formula was multiplied by 2 and why the delta G of the 1st formula…

A: To explain why the second reaction is multiplied by 2 and the sign of delta G of the first reaction…

Q: What is the magnitude of the uncertainty introduced by the lack of knowledge of the specific heat…

A: The gas law for calculating ΔH from ΔE is, ΔH = ΔE + ΔngasRT The order of magnitude of the error in…

Q: Briefly describe the contributions of Walter Nernst, T. W. Richards, Max Planck and G. N. Lewisin…

A: The third law was given by Walter Nernst. It states that the entropy of a system at absolute zero is…

Q: • Al. Al • • Al • None of the choices

A:

Q: (3a-101-27) Would you agree to buy 1.23 x 102 gold atoms for $27? Explain why or why not, showing…

A: The number of gold atoms is = 1.23x1021 The cost of these gold atom is = $27 The current price of…

Q: 15. A kilogram of water and a kilogram of sand are at the same temperature. Do the two substances…

A: Heat energy- Heat heat energy is the form of energy which determines the temperature of body. It is…

Q: is the potential energy of the particles the highest under such conditions? a b Select an answer and…

A: The substance has high boiling point means lower the vapour pressure and vice versa. Due to this the…

Q: you, I am not very familiar with the math, can you expand on how you solved the equation to get…

A:

Q: A microwave using 18.99cm IR radiation is used to heat 18.2g water from 18.8C to 71.2C. Find the…

A: Here we have to determine the number of moles of photons required to heat 18. 2 g of water from 18.…

Q: What is the volume of a gas at 25 °C if it occupied 5.12 L at 139 °C? Show all your work! Round your…

A:

Q: Explain the difference between a STATE function and NON-STATE function. Give an example of each and…

A:

Q: 1. Cows on a farm sometimes end up eating little pieces of metal, like tacks or little scraps of…

A: Delta S is a measure of change in entropy of a system.  Delta H is a measure of change in energy of…

Q: The electronic structure of atoms and molecules may be investigated using photoelectron…

A: The mass of an electron is 9.109×10-31 kg. the velocity of electron in m/s is calculated as shown…

Q: Is the answer going to be negative or positive?

A: As per the Law of conservation of energy, in a closed system that is isolated from the surroundings,…

Q: In 1870 Ludwig Boltzmann gave us this equation: What is the meaning of these terms? Select all that…

A: Boltzmann gave a equation to calculate the entropy which is given as follows:  S = klnW  where, S =…

Q: 10.92 Using only the data given below, determine AG for the following reaction: NO(g) + O(g)…

A:

Q: Calculate how much heat is absorbed to increase the temperature of 415.0 g of water from 285 K to…

A: Given that,The mass of water is m = 415.0 g.The initial temperature is T1 = 285 K.The final…

Q: Could you please show the work for the highlighted enthalpy values? I have the tabulated values for…

A:

Q: Jse average bond energies to compare the stabilities of allyl alcohol, CH2CHCH2OH, and acetone,…

A:

Q: William Thomson tells of running into Joule in 1847 at Mont Blanc; Joule had with him his bride and…

A: Increase in temperature of the bulk is due to the change in internal energy. Internal energy is…

Q: So, when there is no value given for a substance O2, you are to assume that it is zero?

A: ∆Hfo of O2=0∆Hfo of formation of O2=0

Q: Tc Hf U Np Hg

A:

Q: Find ΔHvapΔHvap for carbon disulfide.

A: To find: Heat of vaporisation of carbon disulfide.

Q: Thermochemistry is the study of the heat changes that occur during chemical reactions and physical…

A: Here is your answer

Q: T22 Repeat the previous question but give the answer in Joules. If 15.2 L of gas expands to 45.8 L,…

A: Interpretation -  To determine the work ( in J ) when 15.2L of gas expands to 45.8L , against a…

Q: Briefly describe the contributions of Walter Nernst, T.W. Richards, Max Planck and G. N. Lewis in…

A: SOLUTION: Step 1: Walther Nernst (1864 – 1941) made a significant breakthrough with his statement of…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the reaction CH4(g) +…

A: The first step is to identify the thermochemical equations given in the problem. These equations…

Q: Calculate the moles of 2 grams of anhydrous (dry) KAl(SO4)2 Show all work including units.

A:

Q: Which of the following is TRUE if AEsys =- 115 J? Both the system and the surroundings are losing…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Where this question came from it says its answer is actually B is this possible?

A: Disproportionation reaction is a reaction where a species having intermediate oxidation is converted…

Q: So you escaped the fate of wrapping hamburgers. The next step is to continue proving that you know…

A:

Q: Ammonia burns in air as follows: NH3(g) + O2(g) → N2(g) + H2O(g) (unbalanced) If x liters of N2(g)…

A: A mole is defined as the amount of substance containing the same number of discrete entities (atoms,…

Q: E, H, G, and S for CH4 at standard pressure and 25°C. σ equals 12 for methane and the atomization…

A:

Q: ON रस 3

A: Organic reactions are those in which organic reactant react to form organic products. In the given…